<?php

namespace app\models\search;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use app\models\Audio;

/**
 * AudioSearch represents the model behind the search form about `app\models\Audio`.
 */
class AudioSearch extends Audio
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['id', 'praise_num', 'comment_num', 'anchor_id', 'poducer_id'], 'integer'],
            [['title', 'description', 'audio_pic', 'length', 'ctime', 'lyric', 'release_time'], 'safe'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Audio::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'id' => $this->id,
            'length' => $this->length,
            'ctime' => $this->ctime,
            'release_time' => $this->release_time,
            'praise_num' => $this->praise_num,
            'comment_num' => $this->comment_num,
            'anchor_id' => $this->anchor_id,
            'poducer_id' => $this->poducer_id,
        ]);

        $query->andFilterWhere(['like', 'title', $this->title])
            ->andFilterWhere(['like', 'description', $this->description])
            ->andFilterWhere(['like', 'audio_pic', $this->audio_pic])
            ->andFilterWhere(['like', 'lyric', $this->lyric]);

        return $dataProvider;
    }
}
